Home Cosmetic Science Talk Formulating Odour neutralising of ingredients

  • Odour neutralising of ingredients

    Posted by Roopa on June 13, 2023 at 2:07 am


    I have been trying to make hair oil with various oils and additives like shallots and other natural ingredients. I would like to learn how to remove the strong odour of some of the ingredients. I had done some research and Metazene and a few trademarked products I could find but would like to learn what works better and how. Many thanks in advance…

    Roopa replied 11 months, 2 weeks ago 3 Members · 3 Replies
  • 3 Replies
  • fareloz

    June 13, 2023 at 3:24 am

    Most skincare products add 0.01% of natural ingredients just for marketing. 1% INCI rule allows to put them closer to the start of the list to make people think there is much of it.

    Another option is just a perfume.

    There are also refined versions of ingredients, like refined shea butter or lanolin, which doesn’t have the smell

  • Abdullah

    June 13, 2023 at 3:47 am

    Agreed with @fareloz

    In one line of my products which are claimed fragrance free i add 0.005% fragrance enough to mask the unpleasant smell of product.

  • Roopa

    June 13, 2023 at 8:03 am

    Many thanks for the responses @fareloz and @Abdullah , for your quick responses. However, I tried adding fragrance but the natural odour of shallots is overpowering and is spoiling the end product whose performance is very good though.

    I am particularly looking for some compound that could first neutralize the odour before going on to add the perfume.

    Alpha Aromatics manufacture 4-O-Dor details of which are copied below. I am unable to source it in India though.

    4-O-DOR ™ For Skin Care And Fabric Products

    N-Soya-N-Ethyl Morpholinium Ethosulfate

    Recommended uses: Skin-safe odor reduction agent for use in cosmetics, skin care products, underarm deodorants, hair care products, air and fabric fresheners, pet coat and skin products.

    Drop-in replacement for Forestall™*

    Cationic with inherent softening and antistatic properties

    Naturally derived from soybeans

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